Source : Webster's Revised Unabridged Dictionary (1913)

Bash \Bash\, v. t. [imp. & p. p. {Bashed}; p. pr. & vb. n.
   {Bashing}.] [Perh. of imitative origin; or cf. Dan. baske to
   strike, bask a blow, Sw. basa to beat, bas a beating.]
   To strike heavily; to beat; to crush. [Prov. Eng. & Scot.]
   --Hall Caine.

         Bash her open with a rock.               --Kipling.

Bash \Bash\, v. t. & i. [OE. baschen, baissen. See {Abash}.]
   To abash; to disconcert or be disconcerted or put out of
   countenance. [Obs.]

         His countenance was bold and bashed not. --Spenser.

Source : WordNet®

bash
     n 1: a vigorous blow; "the sudden knock floored him"; "he took a
          bash right in his face"; "he got a bang on the head"
          [syn: {knock}, {bang}, {smash}, {belt}]
     2: an uproarious party [syn: {do}, {brawl}]
     v : hit hard [syn: {sock}, {bop}, {whop}, {whap}, {bonk}]

Source : Free On-Line Dictionary of Computing

bash
     
        Bourne Again SHell.  {GNU}'s {command interpreter} for {Unix}.
        Bash is a {Posix}-compatible {shell} with full {Bourne shell}
        syntax, and some {C shell} commands built in.  The Bourne
        Again Shell supports {Emacs}-style command-line editing, job
        control, functions, and on-line help.  Written by Brian Fox of
        {UCSB}.
     
        The latest version is 1.14.1.  It includes a {yacc} parser,
        the interpreter and documentation.
     
        {(ftp://ftp.gnu.org/bash-1.14.1.tar.gz)} or from a
        {GNU archive site}.  E-mail: .
        {Usenet} newsgroup: {news:gnu.bash.bug}.
     
        (1994-07-15)